23351761157956 has 81 divisors (see below), whose sum is σ = 52253643205407. Its totient is φ = 9097798820880.

The previous prime is 23351761157927. The next prime is 23351761157987. The reversal of 23351761157956 is 65975116715332.

The square root of 23351761157956 is 4832366.

It is a perfect power (a square), and thus also a powerful number.

It is a junction number, because it is equal to n+sod(n) for n = 23351761157894 and 23351761157903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 744168675 + ... + 744200053.

Almost surely, 2^{23351761157956} is an apocalyptic number.

23351761157956 is the 4832366-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23351761157956

23351761157956 is an abundant number, since it is smaller than the sum of its proper divisors (28901882047451).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23351761157956 is an frugal number, since it uses more digits than its factorization.

23351761157956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62798 (or 31399 counting only the distinct ones).

The product of its digits is 35721000, while the sum is 61.

The spelling of 23351761157956 in words is "twenty-three trillion, three hundred fifty-one billion, seven hundred sixty-one million, one hundred fifty-seven thousand, nine hundred fifty-six".